1 files changed, 17 insertions, 0 deletions
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c
index 95c26d8..cbae510 100644
--- a/arch/sandbox/cpu/os.c
+++ b/arch/sandbox/cpu/os.c
@@ -287,6 +287,23 @@ int os_persistent_file(char *buf, int maxsize, const char *fname)
 	return 0;
 }
 
+int os_mktemp(char *fname, off_t size)
+{
+	int fd;
+
+	fd = mkostemp(fname, O_CLOEXEC);
+	if (fd < 0)
+		return -errno;
+
+	if (unlink(fname) < 0)
+		return -errno;
+
+	if (ftruncate(fd, size))
+		return -errno;
+
+	return fd;
+}
+
 /* Restore tty state when we exit */
 static struct termios orig_term;
 static bool term_setup;